EP2047580A2 - System zur spannungsversorgung von elektrischen verbrauchern eines kraftfahrzeugs - Google Patents
System zur spannungsversorgung von elektrischen verbrauchern eines kraftfahrzeugsInfo
- Publication number
- EP2047580A2 EP2047580A2 EP07801461A EP07801461A EP2047580A2 EP 2047580 A2 EP2047580 A2 EP 2047580A2 EP 07801461 A EP07801461 A EP 07801461A EP 07801461 A EP07801461 A EP 07801461A EP 2047580 A2 EP2047580 A2 EP 2047580A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- electrical
- electrical system
- voltage
- system area
- consumers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/1423—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle with multiple batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering using capacitors as storage or buffering devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2105/00—Networks for supplying or distributing electric power characterised by their spatial reach or by the load
- H02J2105/30—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2105/00—Networks for supplying or distributing electric power characterised by their spatial reach or by the load
- H02J2105/30—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles
- H02J2105/33—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles exchanging power with road vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Definitions
- the invention relates to a system for supplying power to electrical consumers in the electrical system of a motor vehicle.
- the object of the present invention is to reduce the power to be provided by the engine of the motor vehicle in order to supply the electrical system of the motor vehicle with sufficient electrical energy.
- An essential aspect of the invention is to divide the electrical consumers in the electrical system of a motor vehicle into a group of at least two types of electrical consumers.
- the first group of electrical (insensitive) consumers will work reliably even if the voltage varies relatively widely and / or if the voltage is relatively low, e.g. when the voltage drops to less than 10 volts in a 12 volt power supply and / or varies between about 9 and 16 volts.
- the second group of electrical (sensitive) consumers only works reliably when the voltage fluctuates only relatively low to the rated voltage, for example, when the voltage only fluctuates between about 11 and 13 volts in a 12 volt electrical system.
- the vehicle electrical system is divided into at least two electrical system areas; in the first electrical system area are the insensitive electrical consumers and in the second electrical system area, the sensitive electrical consumers are arranged.
- the electric generator and a vehicle battery are parallel to the first electrical consumers and in the second electrical system area is an energy store, a battery or a capacitor, preferably a double-layer capacitor or a so-called. Supercap, parallel to the second electrical consumers provided.
- the dual-layer capacitor is periodically charged during operation of the motor vehicle to a voltage that keeps the sensitive second electrical loads operational as it discharges.
- the voltage of the generator is reduced so much that the operational readiness of the first electrical load is (still) given (see DE 2006 002 985).
- the voltage at the double-layer capacitor is higher than at the first (insensitive) consumers and the blocking device or diode prevents discharge of the double-layer capacitor via the consumers of the first electrical system area.
- the blocking device allows an electric current flow from the electric generator via the blocking device or diode in the second electrical system area, when the output voltage of the generator for recharging the double-layer capacitor is raised.
- the monitoring of the state of charge or the output voltage of the double-layer capacitor via a charge control device which controls the generator such that it increases when a voltage falls below a threshold voltage on the capacitor for charging and subsequently reduced again.
- the generator can be controlled in such a way that, during operation of the motor vehicle, it predominantly only supplies a lower voltage for operating the insensitive one Provides consumers. In the prior art, however, it was necessary to permanently increase the voltage so far that even the sensitive consumers always had sufficient operating voltage available.
- the solution according to the invention thus reduces the power consumption of the generator during long periods of time and thus significantly reduces the fuel consumption and the CO 2 emission of the motor vehicle.
- the time duration and / or the amount of increase in the voltage in the second electrical system area is dependent on the energy consumption of the one or more second electrical consumers and / or on the capacity of the capacitor in the second electrical system area.
- the duration and / or amount of increase is proportional to the energy consumption of one or more second electrical consumers and / or proportional to the capacitance of the capacitor.
- the charging process in particular in the sense of further reducing the CO 2 emissions, can be optimized.
- the first electrical consumers require an operating voltage for their operation which lies in a first voltage range and the second electrical loads require an operating voltage for their operation, which lies in a second voltage range.
- the second voltage range is preferably narrower than the first voltage range, i. that the second electrical consumers compared. the first electrical consumers so-called.
- Sensitive electrical consumers of the motor vehicle are.
- the insensitive first electrical consumers largely in the first electrical system area and the sensitive second electrical consumers are largely provided in the second electrical system area of the motor vehicle.
- the invention can be realized in a particularly simple manner technically.
- the voltage range prevailing in the first electrical system area during operation of the vehicle is a voltage of approximately 10 to 16 volts and that in the second vehicle electrical system area during operation of the vehicle prevailing voltage range comprises a voltage of about 11 to 13 volts.
- the capacitor after operation of the vehicle separated from the second electrical system area, then preferably discharged and recharged during re-operation of the vehicle and electrically connected to the electrical system area and charged.
- the pre-charging and coupling / disconnection of the supercaps to the vehicle electrical system preferably takes place by means of a separate control / power unit, which at the same time preferably assumes the diagnosis of the SC (for example capacity and resistance determination during precharging operation).
- the memory in the second network is a battery or preferably a capacitor or a double-layer capacitor or a so-called. Supercap.
- Such capacitors are characterized by high charge densities, so that large capacities can be provided with small dimensions. Furthermore, such capacitors can be charged quickly at high currents, which has advantages in terms of CO 2 reduction.
- the system according to the invention will be explained in more detail with reference to a drawing.
- FIG. 1 shows a vehicle electrical system consisting of two electrical system areas which are electrically connected to one another by a diode.
- the inventive system or vehicle electrical system 100 for supplying voltage to electrical consumers 103 and 106 consists of two electrical system areas A and B.
- the first vehicle electrical system area A has an electric generator 101, a vehicle battery 102 and a plurality of first electrical consumers 103.
- the second electrical system area B has an energy store in the form of a capacitor or supercaps 105 and a plurality of second electrical consumers 106.
- a blocking device 104 is provided in the form of a semiconductor diode, which allows a current flow from the first electrical system area A in the second electrical system area B and a reverse current flow from the second electrical system area B in the first electrical system Area A largely prevented.
- the output voltage of the electric generator 101 is raised and the energy store or capacitor 105 charged when a first threshold value of the electrical voltage in the second electrical system area B is exceeded.
- the first electrical loads 103 require an operating voltage for their operation which is in a first voltage range of 10 to 16 volts, i. they are so-called “insensitive” consumers
- the second electrical loads 106 require an operating voltage for their operation which is in a second voltage range of 11 to 13 volts, i.e. they are so-called “sensitive” loads.
- the first wiring system area A is, as the graph "voltage as a function of time" in Fig. 1 shows schematically, characterized by relatively high voltage fluctuations between about 10 and 16 volts (non-stable or fluctuating range).
- the second electrical system area B is characterized by relatively small voltage fluctuations between 11 and 13 volts (stabilized area).
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Emergency Protection Circuit Devices (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006036425A DE102006036425A1 (de) | 2006-08-04 | 2006-08-04 | System zur Spannungsversorgung von elektrischen Verbrauchern eines Kraftfahrzeugs |
| PCT/EP2007/006693 WO2008014945A2 (de) | 2006-08-04 | 2007-07-28 | System zur spannungsversorgung von elektrischen verbrauchern eines kraftfahrzeugs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2047580A2 true EP2047580A2 (de) | 2009-04-15 |
| EP2047580B1 EP2047580B1 (de) | 2017-10-11 |
Family
ID=38884930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07801461.0A Active EP2047580B1 (de) | 2006-08-04 | 2007-07-28 | System zur spannungsversorgung von elektrischen verbrauchern eines kraftfahrzeugs |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8324754B2 (de) |
| EP (1) | EP2047580B1 (de) |
| CN (1) | CN101485062B (de) |
| DE (1) | DE102006036425A1 (de) |
| WO (1) | WO2008014945A2 (de) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008054706A1 (de) * | 2008-12-16 | 2010-06-17 | Robert Bosch Gmbh | Energieversorgungsnetzwerk für ein Fahrzeug |
| DE102010011276A1 (de) | 2010-03-13 | 2011-09-15 | Continental Automotive Gmbh | Bordnetz für ein Fahrzeug |
| EP2479879A1 (de) | 2011-01-19 | 2012-07-25 | Power Research Electronics B.v. | Resonanz-Leistungswandler |
| EP2479059A1 (de) * | 2011-01-19 | 2012-07-25 | Power Research Electronics B.v. | Batterieladegerat für elektrische Fahrzeuge |
| US9634490B2 (en) | 2011-02-08 | 2017-04-25 | General Electric Company | Dynamic voltage restoration system and method |
| US8587290B2 (en) | 2011-03-29 | 2013-11-19 | General Electric Company | Method, system and device of phase identification using a smart meter |
| DE102011080427A1 (de) * | 2011-08-04 | 2013-02-07 | S-Y Systems Technologies Europe Gmbh | Elektrisches Versorgungssystem für ein Fahrzeug |
| DE102014105040B4 (de) * | 2013-04-11 | 2023-11-30 | GM Global Technology Operations, LLC (n.d. Ges. d. Staates Delaware) | Vorrichtung und Verfahren zum Stabilisieren einer Fahrzeugspannung |
| DE102013009801A1 (de) * | 2013-06-12 | 2014-12-18 | Audi Ag | Kraftfahrzeug mit zwei Bordnetzen mit unterschiedlichen Bordnetzspannungen |
| US9694769B2 (en) * | 2013-06-21 | 2017-07-04 | GM Global Technology Operations LLC | Smart power distribution unit |
| CN103633962B (zh) * | 2013-12-19 | 2016-08-31 | 中国电子科技集团公司第二十六研究所 | 宽带阻抗元型声表面波滤波器 |
| DE102014208192A1 (de) * | 2014-04-30 | 2015-11-05 | Robert Bosch Gmbh | Vorrichtung und zum Verbinden eines Basis-Bordnetzes mit einem insbesondere sicherheitsrelevanten Teilnetz |
| US9821738B2 (en) * | 2014-06-30 | 2017-11-21 | Raymond Anthony Joao | Battery power management apparatus and method |
| DE102014219133A1 (de) * | 2014-09-23 | 2016-03-24 | Robert Bosch Gmbh | Bordnetz |
| CN107089210A (zh) * | 2017-04-12 | 2017-08-25 | 奇瑞汽车股份有限公司 | 汽车供电系统 |
| CN108798884A (zh) * | 2017-05-02 | 2018-11-13 | 苏州科瓴精密机械科技有限公司 | 一种内燃机及园林工具 |
| FR3072221B1 (fr) | 2017-10-09 | 2021-03-26 | Continental Automotive France | Dispositif d’alimentation d’un calculateur electronique |
| CN109733292A (zh) * | 2018-12-28 | 2019-05-10 | 汉腾汽车有限公司 | 一种行李架安装结构及其安装方法 |
| CN109733305A (zh) * | 2018-12-29 | 2019-05-10 | 奇瑞新能源汽车技术有限公司 | 一种汽车供电系统 |
| CN111923852B (zh) * | 2020-07-02 | 2022-11-22 | 东风柳州汽车有限公司 | 一种车辆发电机控制方法及装置 |
| US11760227B2 (en) | 2021-02-15 | 2023-09-19 | Raymond Anthony Joao | Battery power management apparatus and method |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56137507A (en) * | 1980-03-27 | 1981-10-27 | Olympus Optical Co Ltd | Audio equipment for automobile |
| JPH0669270B2 (ja) * | 1989-08-10 | 1994-08-31 | いすゞ自動車株式会社 | コンデンサの充電装置 |
| US5572108A (en) * | 1992-01-07 | 1996-11-05 | Windes; John A. | Power system using battery-charged capacitors |
| JPH0988778A (ja) * | 1995-07-17 | 1997-03-31 | Denso Corp | 始動発電装置 |
| JP3637163B2 (ja) * | 1996-10-01 | 2005-04-13 | 本田技研工業株式会社 | 蓄電式電源装置 |
| US5811960A (en) * | 1996-10-02 | 1998-09-22 | United Power Corporation | Battery-less uninterruptable sequel power supply |
| DE19720816A1 (de) * | 1997-05-16 | 1998-11-19 | Wegmann & Co Gmbh | Elektrische Versorgungseinrichtung für ein militärisches Fahrzeug, insbesondere für einen mit einem Turm versehenen Panzer |
| EP0961383A1 (de) * | 1998-05-29 | 1999-12-01 | Siemens Aktiengesellschaft | Verfahren zum Überprüfen der Kapazität in einem Insassenschutzsystem vorgesehenen Speicherkondensators sowie Prüfvorrichtung |
| JP2001268787A (ja) * | 2000-01-13 | 2001-09-28 | Toyota Motor Corp | 電源回路 |
| DE10055076A1 (de) * | 2000-11-07 | 2002-06-06 | Bosch Gmbh Robert | Vorrichtung zur Optimierung von Schalthandlungen |
| DE10149111A1 (de) * | 2001-10-05 | 2003-04-24 | Audi Ag | Spannungsregelung für Fahrlicht und Innenbeleuchtung |
| EP1405767A1 (de) * | 2002-10-02 | 2004-04-07 | Ford Global Technologies, Inc., A subsidiary of Ford Motor Company | Bordnetz fuer ein kraftfahrzeug |
| JP4554151B2 (ja) * | 2002-11-29 | 2010-09-29 | 本田技研工業株式会社 | 燃料電池車両の制御装置 |
| DE10259879A1 (de) * | 2002-12-20 | 2004-07-01 | Zf Friedrichshafen Ag | Schaltungsanordnung zur Bereitstellung von Energie an elektrische Verbraucher unterschiedlichen Energiebedarfs |
| DE10342178B4 (de) * | 2003-09-12 | 2006-08-17 | Adam Opel Ag | Bordnetz mit mehreren Bordnetzkreisen sowie Verfahren zur Versorgung von elektrischen Verbrauchern in einem Fahrzeug |
| DE10346856A1 (de) * | 2003-10-09 | 2005-05-04 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Regelung eines zur Spannungsversorgung eines Fahrzeugbordnetzes vorgesehenen Generators |
| US7389837B2 (en) * | 2003-10-20 | 2008-06-24 | General Motors Corporation | Electric power control system for a hybrid vehicle |
| DE102006002985A1 (de) | 2006-01-21 | 2007-08-09 | Bayerische Motoren Werke Ag | Energiespeichersystem für ein Kraftfahrzeug |
| DE102006036424A1 (de) * | 2006-08-04 | 2008-02-07 | Bayerische Motoren Werke Ag | System zur Spannungsversorgung von elektrischen Verbrauchern eines Kraftfahrzeugs unter Verwendung eines Supercaps |
-
2006
- 2006-08-04 DE DE102006036425A patent/DE102006036425A1/de not_active Ceased
-
2007
- 2007-07-28 EP EP07801461.0A patent/EP2047580B1/de active Active
- 2007-07-28 CN CN2007800248753A patent/CN101485062B/zh active Active
- 2007-07-28 WO PCT/EP2007/006693 patent/WO2008014945A2/de not_active Ceased
-
2009
- 2009-02-03 US US12/364,794 patent/US8324754B2/en active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2008014945A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008014945A2 (de) | 2008-02-07 |
| US20100001581A1 (en) | 2010-01-07 |
| EP2047580B1 (de) | 2017-10-11 |
| CN101485062B (zh) | 2013-07-17 |
| CN101485062A (zh) | 2009-07-15 |
| WO2008014945A3 (de) | 2008-05-15 |
| US8324754B2 (en) | 2012-12-04 |
| DE102006036425A1 (de) | 2008-02-07 |
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